Results 41 to 50 of about 3,446,761 (242)
Phase Noise Cancelation Based on Polarization Modulation for Massive MIMO-OFDM Systems
In massive multiple-input multiple-output (MIMO) systems, phase noise introduced by oscillators can cause severe performance loss. It leads to common phase error and intercarrier interference in massive MIMO-OFDM uplink. To solve the issue, a novel phase
Yao Nie +5 more
doaj +1 more source
Cutset Bounds on the Capacity of MIMO Relay Channels
We analyze the ergodic capacity of multiple-input multiple-output (MIMO) Rayleigh-fading relay channels. We first derive the probability density function of a sum of independent complex central Wishart matrices-called the central hyper-Wishart matrix-and
Youngmin Jeong +2 more
doaj +1 more source
Ergodic Capacity Analysis of Remote Radio Head Associations in Cloud Radio Access Networks
Characterizing user to Remote Radio Head (RRH) association strategies in cloud radio access networks (C-RANs) is critical for performance optimization.
Peng, Mugen, Poor, H. Vincent, Yan, Shi
core +1 more source
Free Deterministic Equivalents for the Analysis of MIMO Multiple Access Channel [PDF]
In this paper, a free deterministic equivalent is proposed for the capacity analysis of the multi-input multi-output (MIMO) multiple access channel (MAC) with a more general channel model compared to previous works. Specifically, a MIMO MAC with one base
Gao, Xiqi, Lu, An-An, Xiao, Chengshan
core +3 more sources
Massive connectivity and green communication will be important problems for the upcoming sixth generation (6G). Reconfigurable intelligent surfaces (RIS) and non-orthogonal multiple access (NOMA) have recently been presented as two major solutions to ...
Tran Cong Hung +5 more
doaj +1 more source
Almost universal codes for fading wiretap channels
We consider a fading wiretap channel model where the transmitter has only statistical channel state information, and the legitimate receiver and eavesdropper have perfect channel state information.
Ling, Cong +2 more
core +4 more sources
Ergodic Fading Interference Channels: Sum-Capacity and Separability [PDF]
The sum-capacity for specific sub-classes of ergodic fading Gaussian two-user interference channels (IFCs) is developed under the assumption of perfect channel state information at all transmitters and receivers. For the sub-classes of uniformly strong (every fading state is strong) and ergodic very strong two-sided IFCs (a mix of strong and weak ...
Sankar, Lalitha +3 more
openaire +2 more sources
Ergodic Classical-Quantum Channels: Structure and Coding Theorems
We consider ergodic causal classical-quantum channels (cq-channels) which additionally have a decaying input memory. In the first part we develop some structural properties of ergodic cq-channels and provide equivalent conditions for ergodicity.
Bjelakovic, Igor, Boche, Holger
core +2 more sources
Performance Analysis of Beamforming in MU-MIMO Systems for Rayleigh Fading Channels
This paper characterizes the performance metrics of MU-MIMO systems under Rayleigh fading channels in the presence of both cochannel interference and additive noise with unknown channel state information and known correlation matrices. In the first task,
Ahmad Kamal Hassan +3 more
doaj +1 more source
The paper investigates simultaneous wireless information and power transfer (SWIPT) in massive distributed antenna systems, where the remote radio heads (RRH) equipped with a large number of antennas are arbitrarily distributed over the coverage area and
Wenfeng Sun +4 more
doaj +1 more source

